AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  SW Aql  
AAVSO UID
000-BCJ-225 (342 observations)  
Constellation
Aquila Sequence
J2000.0
19 50 40.68 +12 49 11.8  (297.66950 +12.81995) Search nearby
B1950.0 19 48 20.44 +12 41 32.8
Proper motion
RA: -14.1 +/- 5.8 mas/yDec: -38.2 +/- 6.3 mas/ySource: UCAC4
Galactic coord. 51.197 -6.929
Other names

(Internal only)
2MASS J19504067+1249118 AAVSO 1946+12A AN 79.1903
ASAS J195041+1249.2 ASASSN-V J195040.60+124911.6 IRAS 19483+1241
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
11.9 - <15.5 V
Discoverer Maximillian Wolf (1903)
Epoch
31 May 2004 (HJD 2453157) Ephemeris
Outburst --
Period 245 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Minimum magnitude in ASAS-3 contaminated by 2MASS J19504173+1249274 (V= 13.8) 21" away.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
2 The All Sky Automated Survey 2002AcA....52..397P
3 T.S.Chernova, Perem. Zvezdy 8, N1, 21, 1951. 1951PZ......8...21C
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
5 T.S.Chernova, Manuscript. --
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 5.91H = 5.04K = 4.61J - K = 1.30
AllWISE W1 = 4.58W2 = 4.05W3 = 3.40W4 = 2.71W1 - W2 = 0.54W3 - W4 = 0.69
APASS-DR9 B = 14.64V = 12.93g' = 13.87r' = 11.93B - V = 1.72
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 50 40.68 +12 49 11.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Campaigns/Programs
 LPV Double Trouble Campaign
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 26
5 Otero, Sebastian Alberto 2020-05-15 00:47 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2014-03-07 04:10 UTC Minimum magnitude and period from AAVSO data.
3 Otero, Sebastian Alberto 2011-12-06 03:37 UTC Period, epoch and range from ASAS-3 data. UCAC3 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.